Sorry 30 stocks. An even smaller less relevant sample.
Why the Dow Doesn’t Work
The Dow, despite being the index you hear about the most, doesn’t actually tell you much. If it’s up or down a lot, it can tell you that US large companies had a good or bad day, but that’s about it. There are two reasons for this:
It only looks at a small number of really big US companies
It measures them poorly
Let’s look at these issues in turn
The Dow Jones Industrial Average is the second oldest US stock index in the world. It was created in 1896 by Charles Dow, who also created the oldest US stock index, the Dow Jones Transportation Average.
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